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Recent global estimates of nesting females of the critically endangered leatherback sea turtle (Dermochelys coriacea) runs between 26,000 and 43,000. Go Log In Sign Up
10 Animals That May Go Extinct in the Next 10 Years. 10 Animals That May Go Extinct in the Next 10 Years. Leatherback Turtle Dermochelys coriacea Leatherbacks are the largest of all sea turtles, measuring as long as eight feet and weighing as much as 2,000 pounds. They are also the deepest divers, plunging to depths as great as 1,200 meters as they hunt for jellyfish.